4. With job evaluation, job evaluation reflects the organization's internal job structure. This structure and the main relationships between jobs are the basis of internal alignment. Job evaluation can help gain employee acceptance of pay differences between jobs in an organization. The usefulness of job evaluations is that they provide a framework for an exchange of opinions and open discussions and communications. Job evaluation can link internal alignment and external market pressures because it examines core functions and then builds on what the market pays and vices..